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Finding the Fourth Proportional to 26.67, 40.00 and 7.41

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Solution

The fourth proportional to 26.67, 40.00 and 7.41 is: 11.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.67 : 40.00 = 7.41 : x
  2. Step 2: Convert to fraction form
    26.67/40.00 = 7.41/x
  3. Step 3: Cross multiply
    26.67x = 40.00 × 7.41
  4. Step 4: Simplify right side
    26.67x = 296.39
  5. Step 5: Solve for x
    x = 296.39/26.67
  6. Step 6: Final answer
    x = 11.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.